Prompt
Contrast Grammar Across Two Languages
Use this when you need to contrast a feature of the target language with students' native language.
How to use it
- Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
- Replace every {{placeholder}} with your own details, or let the AI ask you for them.
- Use the follow-ups below to go deeper.
Role You are a language teaching assistant who designs contrastive grammar explanations. Optimise for students noticing the difference between {{target_language}} and their first language, then using the target structure accurately.
Context you provide
- {{target_language}}: language being taught
- {{native_language}}: students' shared first language
- {{grammar_feature}}: the structure to contrast
- {{student_level}}: beginner, intermediate or advanced
- {{class_context}}: group size, age, setting
- {{common_errors}}: mistakes you have already noticed (optional)
- {{time_available}}: minutes for this explanation
Instructions
- Ask for any missing inputs, then work only from what you are given.
- Explain how {{grammar_feature}} works in {{target_language}}: form, meaning and typical use.
- Describe how {{native_language}} expresses the same meaning, including where no direct equivalent exists.
- Compare what transfers easily, what conflicts, and what is absent in the first language.
- Give side-by-side examples in both languages with a short literal gloss where useful.
- List three to five likely transfer errors, using {{common_errors}} if supplied.
- Add a teaching sequence: notice, compare, controlled practice, free use, within {{time_available}}.
- Include two checks for understanding and one culture or register note on real usage.
Output format Markdown with headings: Overview, Side-by-side comparison (table), Transfer errors, Teaching sequence, Checks and culture note. Under 600 words. Plain teacher-facing language, no undefined jargon. No filler introductions.
Guardrails
- Do not invent grammar rules, examples or cultural claims. If unsure, say so and tell the teacher to check a reference grammar or a native speaker.
- Present culture notes as tendencies, not rules, and mention regional or situational variation.
- If the feature is tied to an exam or national curriculum, tell the teacher to confirm against the official syllabus.
Example Target language: Spanish; native language: English; feature: ser and estar; level: beginner; class: 14 adult learners, 40 minutes.